1.2355材質單1.2355應力消除
1.2355材質單了解1.2355昨日價錢1.2355方式1.2355物料百度百科1.2355耐腐蝕食材等方面請見推薦:++++++++++++++++++材質單耐腐蝕食材++++++++++++++++++1.2355食材號:1.2355EN品牌:50CrM,,oV13-15進行規格:ENISO4957輔助工具鋼C0.45-0.55Si0.2-0.8Mn0.5-0.9Pmax0.03Smax0.02Cr3-3.5Mo1,,.3-1.7V0.1,,5-0.35堅硬程度HB:248大于是涉及到的1....
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